Water


 WATER


          Water is the chief and important factor of our food. In human body, about 17% water is found in childhood and 60% water is found in old age. Water is present in between cells and found in the form of plasma in blood, intestinal juice, secretion of the lymph, liver and bacterias.

Structure of human body

Substance

Percentage (%)

Water

63

Protein

17

Fat

12

Minerals

7

Carbohydrates

1

Functions of water-

  • The maximum part of body structure is water.
  • The medium of all the metabolic functions is only water.
  • The maximum part in the blood is water that is the medium of blood circulation.
  • In the excretory function of the body, water is helpful to remove out waste products of the body through urine and sweat.
  • It works as digestion, absorption, supply to different body parts.
  • It controls body temperature.
  • In mucus part, water works as lubricant.

Sources of water in the human body-

          Water is obtained from eatables, vegetables, juices, beverages. Due to deficiency of water in the body, unconsciousness occurs while excessiveness of it generates difficulty in digestion, vomiting, dysentery, etc. water removes out extra heat of the body. Water gives life to the body.